BRITAIN: ... Horseman, Pass By

Britain's grande dame of
arsenic-and-old-lace thrillers, Agatha Christie, 81, was very upset. So
was her husband, Sir Max Mallowan, who wondered aloud to reporters "if
this fellow read her book and learned anything from it."

The book was The Pale Horse, a vintage Christie whodunit (1961) in which
the villain plots to kill some factory workers with thallium, a
tasteless, soluble and highly toxic substance that had never before
been used on humans as a poison in Britain. The "fellow" was Graham
Frederick Young, 24, who did precisely what Dame Agatha predicted could...